Touch screen and key guard, Memory management – Nokia 770 User Manual
Page 21

Y o u r d e v i c e
21
Copyright © 2005 Nokia. All rights reserved.
To change the lock code do the following:
1. Tap
Change lock code
. Enter the current lock code (the default code
is 12345), and tap
OK
.
2. Enter the new code, and tap
OK
.
3. Enter the new code again, and tap
OK
.
To enhance security, there is a short delay before
OK
is available
between each step.
If you tap
Cancel
in any of these dialogs, the device lock code is
not changed.
Keep the new code secret and in a safe place separate from
your device.
To lock the device with a code, briefly press the power key. In the
Device
mode
dialog, select
Lock device
>
OK
. If you have not enabled the
Use
device lock
security settings in the control panel, the
Enter lock code
dialog opens, and you must enter the code to lock the device.
To unlock the device, press the power key, enter the lock code, and
tap
OK
.
Note: If you lose the device lock code, you must take the device
to a Nokia authorized service facility. To unlock the device, the
software needs to be reloaded, and as a result all data you have
saved in the device may be lost.
Touch screen and key guard
To lock the touch screen and keys, briefly press the power key, and select
Lock touch screen and keys
>
OK
. To unlock the touch screen and keys,
press the power key and the center of the scroll key.
The touch screen and key lock is automatically enabled when the
protective cover is inserted over the screen of the device, and disabled
when the cover is removed.
■ Memory management
To view current memory consumption, tap
, and select
Control panel
>
Memory
.